Definition of Slag hearth. Meaning of Slag hearth. Synonyms of Slag hearth

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Definition of Slag hearth

Slag hearth
Slag Slag, n. [Sw. slagg, or LG. slacke, whence G. schlacke; originally, perhaps, the splinters struck off from the metal by hammering. See Slay, v. t.] 1. The dross, or recrement, of a metal; also, vitrified cinders. 2. The scoria of a volcano. Slag furnace, or Slag hearth (Metal.), a furnace, or hearth, for extracting lead from slags or poor ore. Slag wool, mineral wool. See under Mineral.

Meaning of Slag hearth from wikipedia

- The general term slag may be a by-product or co-product of smelting (pyrometallurgical) ores and recycled metals depending on the type of material being...
- hole is drilled in the side of the hearth and the raw steel flows out. Once all the steel has been tapped, the slag is skimmed away. The raw steel may...
- in an open hearth, the carbon is oxidized and removed from the iron. Liquid slag is formed and removed in this process. The analysis of slag is based on...
- using a finery forge or in a Lancashire hearth. The resulting metal was highly variable, both in chemistry and slag content. Puddled iron—the puddling process...
- inclusion of nitrogen and slag in the liquid steel. These furnaces have a taphole that p****es vertically through the hearth and s****, and is set off-centre...
- materials in the hearth of a blast furnace below the tap hole. The target of the salamander tapping is to remove the remaining hot metal and slag from the blast...
- iron oxide in the ore to metallic iron, and the molten m**** separates into slag and iron. Some of the iron from the blast furnace is cooled, and marketed...
- another kind of hearth known as a 'refinery' or 'running out fire'. The pig iron was melted in this and run out into a trough. The slag separated, and...
- process called "fining" which involved liquifying cast iron in a fining hearth and removing carbon from the molten cast iron through oxidation. Finery...
- smelting iron. Bloomeries produce a porous m**** of iron and slag called a bloom. The mix of slag and iron in the bloom, termed sponge iron, is usually consolidated...